[INFO] fetching crate irox-imagery 0.1.3...
[INFO] checking irox-imagery-0.1.3 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate irox-imagery 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate irox-imagery 0.1.3 on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irox-imagery 0.1.3
[INFO] finished tweaking crates.io crate irox-imagery 0.1.3
[INFO] tweaked toml for crates.io crate irox-imagery 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate irox-imagery 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 466881641ecc6e7a2168ac2829c09ffc72386a5c0d50ba971a20b1e7579dd778
[INFO] running `Command { std: "docker" "start" "-a" "466881641ecc6e7a2168ac2829c09ffc72386a5c0d50ba971a20b1e7579dd778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "466881641ecc6e7a2168ac2829c09ffc72386a5c0d50ba971a20b1e7579dd778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466881641ecc6e7a2168ac2829c09ffc72386a5c0d50ba971a20b1e7579dd778", kill_on_drop: false }`
[INFO] [stdout] 466881641ecc6e7a2168ac2829c09ffc72386a5c0d50ba971a20b1e7579dd778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0a347594fc13a0587bbb45fd4517d9c18e492bf50ba239789b9b6938ae4b903
[INFO] running `Command { std: "docker" "start" "-a" "b0a347594fc13a0587bbb45fd4517d9c18e492bf50ba239789b9b6938ae4b903", kill_on_drop: false }`
[INFO] [stderr]    Compiling irox-bits v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking irox-tools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking irox-units v0.4.7
[INFO] [stderr]     Checking irox-fixedmath v0.1.2
[INFO] [stdout] error[E0515]: cannot return reference to temporary value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/irox-tools-0.10.3/src/sync/optional.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         &None
[INFO] [stdout]     |         ^----
[INFO] [stdout]     |         ||
[INFO] [stdout]     |         |temporary value created here
[INFO] [stdout]     |         returns a reference to data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return reference to temporary value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/irox-tools-0.10.3/src/sync/optional.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         &None
[INFO] [stdout]     |         ^----
[INFO] [stdout]     |         ||
[INFO] [stdout]     |         |temporary value created here
[INFO] [stdout]     |         returns a reference to data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `irox-tools` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b0a347594fc13a0587bbb45fd4517d9c18e492bf50ba239789b9b6938ae4b903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a347594fc13a0587bbb45fd4517d9c18e492bf50ba239789b9b6938ae4b903", kill_on_drop: false }`
[INFO] [stdout] b0a347594fc13a0587bbb45fd4517d9c18e492bf50ba239789b9b6938ae4b903